HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 443
HD6477021X20V
Manufacturer Part Number
HD6477021X20V
Description
MCU 5V 32K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6477021X20V
Core Processor
SH-1
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6477021X20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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16.3.3
1. Always write using the prescribed voltage and timing. The write voltage (programming
2. Before programming, always check that the indexes of the EPROM writer socket, socket
3. Do not touch the socket adapter or device during writing. Contact can cause malfunctions that
428 RENESAS
Note: t
V
V
voltage) V
HN27C101, V
damage the device. Pay particular attention to overshooting in the EPROM writer.
adapter, and devices are consistent with each other. If they are not mounted in the proper
location, an overcurrent may be generated, damaging the device.
prevent data from being written accurately.
CC
PP
Address
V
Points to Note About Writing
CC
PGM
OPW
Data
V
V
V
OE
+ 1
CE
CC
CC
PP
PP
is defined as the value given in the flowchart.
is 12.5 V (when the EPROM writer is set to the Hitachi specifications for
PP
becomes 12.5 V.) Applying a voltage in excess of the rated voltage may
t
t
t
t
t
VPS
VCS
CES
AS
DS
Figure 16.5 Write/Verify Timing
(t
Write data
OPW
t
PW
)
Write
t
DH
t
OES
t
OE
Read data
Verify
t
t
DF
AH
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